If your mother was born in Canada then married your father who is a U.S. citizen can you hold duel citizenship?
The short answer is Yes, BUT, it depends on a number of factors, such as how long ago the Mother came to the USA? Did they ever apply for Canadian citizenship on your behalf? …It is NOT a cut and dried situation, quite complicated, actually. THe best course od action is to call the closest Canadian Consulate to where you live in the USA, (check the internet for phone numbers ), and ask for an Information Officer, then set out your facts, and ask for an opinion about your case. (MORE)